40523379 has 16 divisors (see below), whose sum is σ = 58314144. Its totient is φ = 24883200.

The previous prime is 40523377. The next prime is 40523387. The reversal of 40523379 is 97332504.

It is a happy number.

It is not a de Polignac number, because 40523379 - 2¹ = 40523377 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40523377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24189 + ... + 25809.

It is an arithmetic number, because the mean of its divisors is an integer number (3644634).

Almost surely, 2^40523379 is an apocalyptic number.

40523379 is a deficient number, since it is larger than the sum of its proper divisors (17790765).

40523379 is a wasteful number, since it uses less digits than its factorization.

40523379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2278.

The product of its (nonzero) digits is 22680, while the sum is 33.

The square root of 40523379 is about 6365.7975933892. The cubic root of 40523379 is about 343.4803397446.

The spelling of 40523379 in words is "forty million, five hundred twenty-three thousand, three hundred seventy-nine".